2 Unix SMB/CIFS implementation.
4 Winbind ADS backend functions
6 Copyright (C) Andrew Tridgell 2001
7 Copyright (C) Andrew Bartlett <abartlet@samba.org> 2003
8 Copyright (C) Gerald (Jerry) Carter 2004
10 This program is free software; you can redistribute it and/or modify
11 it under the terms of the GNU General Public License as published by
12 the Free Software Foundation; either version 2 of the License, or
13 (at your option) any later version.
15 This program is distributed in the hope that it will be useful,
16 but WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 GNU General Public License for more details.
20 You should have received a copy of the GNU General Public License
21 along with this program; if not, write to the Free Software
22 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
31 #define DBGC_CLASS DBGC_WINBIND
34 return our ads connections structure for a domain. We keep the connection
35 open to make things faster
37 static ADS_STRUCT *ads_cached_connection(struct winbindd_domain *domain)
42 if (domain->private_data) {
43 ads = (ADS_STRUCT *)domain->private_data;
45 /* check for a valid structure */
47 DEBUG(7, ("Current tickets expire at %d, time is now %d\n",
48 (uint32) ads->auth.expire, (uint32) time(NULL)));
49 if ( ads->config.realm && (ads->auth.expire > time(NULL))) {
53 /* we own this ADS_STRUCT so make sure it goes away */
56 ads_kdestroy("MEMORY:winbind_ccache");
57 domain->private_data = NULL;
61 /* we don't want this to affect the users ccache */
62 setenv("KRB5CCNAME", "MEMORY:winbind_ccache", 1);
64 ads = ads_init(domain->alt_name, domain->name, NULL);
66 DEBUG(1,("ads_init for domain %s failed\n", domain->name));
70 /* the machine acct password might have change - fetch it every time */
72 SAFE_FREE(ads->auth.password);
73 SAFE_FREE(ads->auth.realm);
79 if ( !secrets_fetch_trusted_domain_password( domain->name, &ads->auth.password, &sid, &last_set_time ) ) {
83 ads->auth.realm = SMB_STRDUP( ads->server.realm );
84 strupper_m( ads->auth.realm );
87 struct winbindd_domain *our_domain = domain;
89 ads->auth.password = secrets_fetch_machine_password(lp_workgroup(), NULL, NULL);
91 /* always give preference to the alt_name in our
92 primary domain if possible */
94 if ( !domain->primary )
95 our_domain = find_our_domain();
97 if ( our_domain->alt_name[0] != '\0' ) {
98 ads->auth.realm = SMB_STRDUP( our_domain->alt_name );
99 strupper_m( ads->auth.realm );
102 ads->auth.realm = SMB_STRDUP( lp_realm() );
105 status = ads_connect(ads);
106 if (!ADS_ERR_OK(status) || !ads->config.realm) {
107 extern struct winbindd_methods msrpc_methods, cache_methods;
108 DEBUG(1,("ads_connect for domain %s failed: %s\n",
109 domain->name, ads_errstr(status)));
112 /* if we get ECONNREFUSED then it might be a NT4
113 server, fall back to MSRPC */
114 if (status.error_type == ENUM_ADS_ERROR_SYSTEM &&
115 status.err.rc == ECONNREFUSED) {
116 DEBUG(1,("Trying MSRPC methods\n"));
117 if (domain->methods == &cache_methods) {
118 domain->backend = &msrpc_methods;
120 domain->methods = &msrpc_methods;
126 if (use_nss_info("sfu") && (!ads_check_sfu_mapping(ads))) {
127 DEBUG(0,("ads_cached_connection: failed to check sfu attributes\n"));
131 /* set the flag that says we don't own the memory even
132 though we do so that ads_destroy() won't destroy the
133 structure we pass back by reference */
135 ads->is_mine = False;
137 domain->private_data = (void *)ads;
142 /* Query display info for a realm. This is the basic user list fn */
143 static NTSTATUS query_user_list(struct winbindd_domain *domain,
146 WINBIND_USERINFO **info)
148 ADS_STRUCT *ads = NULL;
149 const char *attrs[] = {"userPrincipalName",
151 "name", "objectSid", "primaryGroupID",
153 ADS_ATTR_SFU_HOMEDIR_OID,
154 ADS_ATTR_SFU_SHELL_OID,
155 ADS_ATTR_SFU_GECOS_OID,
161 NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
165 DEBUG(3,("ads: query_user_list\n"));
167 ads = ads_cached_connection(domain);
170 domain->last_status = NT_STATUS_SERVER_DISABLED;
174 rc = ads_search_retry(ads, &res, "(objectClass=user)", attrs);
175 if (!ADS_ERR_OK(rc) || !res) {
176 DEBUG(1,("query_user_list ads_search: %s\n", ads_errstr(rc)));
180 count = ads_count_replies(ads, res);
182 DEBUG(1,("query_user_list: No users found\n"));
186 (*info) = TALLOC_ZERO_ARRAY(mem_ctx, WINBIND_USERINFO, count);
188 status = NT_STATUS_NO_MEMORY;
194 for (msg = ads_first_entry(ads, res); msg; msg = ads_next_entry(ads, msg)) {
195 char *name, *gecos = NULL;
196 char *homedir = NULL;
201 if (!ads_pull_uint32(ads, msg, "sAMAccountType", &atype) ||
202 ads_atype_map(atype) != SID_NAME_USER) {
203 DEBUG(1,("Not a user account? atype=0x%x\n", atype));
207 name = ads_pull_username(ads, mem_ctx, msg);
209 if (use_nss_info("sfu")) {
210 homedir = ads_pull_string(ads, mem_ctx, msg,
211 ads->schema.sfu_homedir_attr);
212 shell = ads_pull_string(ads, mem_ctx, msg,
213 ads->schema.sfu_shell_attr);
214 gecos = ads_pull_string(ads, mem_ctx, msg,
215 ads->schema.sfu_gecos_attr);
219 gecos = ads_pull_string(ads, mem_ctx, msg, "name");
222 if (!ads_pull_sid(ads, msg, "objectSid",
223 &(*info)[i].user_sid)) {
224 DEBUG(1,("No sid for %s !?\n", name));
227 if (!ads_pull_uint32(ads, msg, "primaryGroupID", &group)) {
228 DEBUG(1,("No primary group for %s !?\n", name));
232 (*info)[i].acct_name = name;
233 (*info)[i].full_name = gecos;
234 (*info)[i].homedir = homedir;
235 (*info)[i].shell = shell;
236 sid_compose(&(*info)[i].group_sid, &domain->sid, group);
241 status = NT_STATUS_OK;
243 DEBUG(3,("ads query_user_list gave %d entries\n", (*num_entries)));
247 ads_msgfree(ads, res);
252 /* list all domain groups */
253 static NTSTATUS enum_dom_groups(struct winbindd_domain *domain,
256 struct acct_info **info)
258 ADS_STRUCT *ads = NULL;
259 const char *attrs[] = {"userPrincipalName", "sAMAccountName",
260 "name", "objectSid", NULL};
265 NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
267 BOOL enum_dom_local_groups = False;
271 DEBUG(3,("ads: enum_dom_groups\n"));
273 /* only grab domain local groups for our domain */
274 if ( domain->native_mode && strequal(lp_realm(), domain->alt_name) ) {
275 enum_dom_local_groups = True;
278 /* Workaround ADS LDAP bug present in MS W2K3 SP0 and W2K SP4 w/o
281 * According to Section 5.1(4) of RFC 2251 if a value of a type is it's
282 * default value, it MUST be absent. In case of extensible matching the
283 * "dnattr" boolean defaults to FALSE and so it must be only be present
286 * When it is set to FALSE and the OpenLDAP lib (correctly) encodes a
287 * filter using bitwise matching rule then the buggy AD fails to decode
288 * the extensible match. As a workaround set it to TRUE and thereby add
289 * the dnAttributes "dn" field to cope with those older AD versions.
290 * It should not harm and won't put any additional load on the AD since
291 * none of the dn components have a bitmask-attribute.
293 * Thanks to Ralf Haferkamp for input and testing - Guenther */
295 filter = talloc_asprintf(mem_ctx, "(&(objectCategory=group)(&(groupType:dn:%s:=%d)(!(groupType:dn:%s:=%d))))",
296 ADS_LDAP_MATCHING_RULE_BIT_AND, GROUP_TYPE_SECURITY_ENABLED,
297 ADS_LDAP_MATCHING_RULE_BIT_AND,
298 enum_dom_local_groups ? GROUP_TYPE_BUILTIN_LOCAL_GROUP : GROUP_TYPE_RESOURCE_GROUP);
300 if (filter == NULL) {
301 status = NT_STATUS_NO_MEMORY;
305 ads = ads_cached_connection(domain);
308 domain->last_status = NT_STATUS_SERVER_DISABLED;
312 rc = ads_search_retry(ads, &res, filter, attrs);
313 if (!ADS_ERR_OK(rc) || !res) {
314 DEBUG(1,("enum_dom_groups ads_search: %s\n", ads_errstr(rc)));
318 count = ads_count_replies(ads, res);
320 DEBUG(1,("enum_dom_groups: No groups found\n"));
324 (*info) = TALLOC_ZERO_ARRAY(mem_ctx, struct acct_info, count);
326 status = NT_STATUS_NO_MEMORY;
332 for (msg = ads_first_entry(ads, res); msg; msg = ads_next_entry(ads, msg)) {
337 name = ads_pull_username(ads, mem_ctx, msg);
338 gecos = ads_pull_string(ads, mem_ctx, msg, "name");
339 if (!ads_pull_sid(ads, msg, "objectSid", &sid)) {
340 DEBUG(1,("No sid for %s !?\n", name));
344 if (!sid_peek_check_rid(&domain->sid, &sid, &rid)) {
345 DEBUG(1,("No rid for %s !?\n", name));
349 fstrcpy((*info)[i].acct_name, name);
350 fstrcpy((*info)[i].acct_desc, gecos);
351 (*info)[i].rid = rid;
357 status = NT_STATUS_OK;
359 DEBUG(3,("ads enum_dom_groups gave %d entries\n", (*num_entries)));
363 ads_msgfree(ads, res);
368 /* list all domain local groups */
369 static NTSTATUS enum_local_groups(struct winbindd_domain *domain,
372 struct acct_info **info)
375 * This is a stub function only as we returned the domain
376 * local groups in enum_dom_groups() if the domain->native field
377 * was true. This is a simple performance optimization when
380 * if we ever need to enumerate domain local groups separately,
381 * then this the optimization in enum_dom_groups() will need
389 /* convert a DN to a name, SID and name type
390 this might become a major speed bottleneck if groups have
391 lots of users, in which case we could cache the results
393 static BOOL dn_lookup(ADS_STRUCT *ads, TALLOC_CTX *mem_ctx,
395 char **name, uint32 *name_type, DOM_SID *sid)
398 const char *attrs[] = {"userPrincipalName", "sAMAccountName",
399 "objectSid", "sAMAccountType", NULL};
402 DEBUG(3,("ads: dn_lookup\n"));
404 rc = ads_search_retry_dn(ads, &res, dn, attrs);
406 if (!ADS_ERR_OK(rc) || !res) {
410 (*name) = ads_pull_username(ads, mem_ctx, res);
412 if (!ads_pull_uint32(ads, res, "sAMAccountType", &atype)) {
415 (*name_type) = ads_atype_map(atype);
417 if (!ads_pull_sid(ads, res, "objectSid", sid)) {
422 ads_msgfree(ads, res);
428 ads_msgfree(ads, res);
433 /* Lookup user information from a rid */
434 static NTSTATUS query_user(struct winbindd_domain *domain,
437 WINBIND_USERINFO *info)
439 ADS_STRUCT *ads = NULL;
440 const char *attrs[] = {"userPrincipalName",
444 ADS_ATTR_SFU_HOMEDIR_OID,
445 ADS_ATTR_SFU_SHELL_OID,
446 ADS_ATTR_SFU_GECOS_OID,
454 NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
456 DEBUG(3,("ads: query_user\n"));
458 ads = ads_cached_connection(domain);
461 domain->last_status = NT_STATUS_SERVER_DISABLED;
465 sidstr = sid_binstring(sid);
466 asprintf(&ldap_exp, "(objectSid=%s)", sidstr);
467 rc = ads_search_retry(ads, &msg, ldap_exp, attrs);
470 if (!ADS_ERR_OK(rc) || !msg) {
471 DEBUG(1,("query_user(sid=%s) ads_search: %s\n",
472 sid_string_static(sid), ads_errstr(rc)));
476 count = ads_count_replies(ads, msg);
478 DEBUG(1,("query_user(sid=%s): Not found\n",
479 sid_string_static(sid)));
483 info->acct_name = ads_pull_username(ads, mem_ctx, msg);
485 if (use_nss_info("sfu")) {
486 info->homedir = ads_pull_string(ads, mem_ctx, msg,
487 ads->schema.sfu_homedir_attr);
488 info->shell = ads_pull_string(ads, mem_ctx, msg,
489 ads->schema.sfu_shell_attr);
490 info->full_name = ads_pull_string(ads, mem_ctx, msg,
491 ads->schema.sfu_gecos_attr);
494 if (info->full_name == NULL) {
495 info->full_name = ads_pull_string(ads, mem_ctx, msg, "name");
498 if (!ads_pull_uint32(ads, msg, "primaryGroupID", &group_rid)) {
499 DEBUG(1,("No primary group for %s !?\n",
500 sid_string_static(sid)));
504 sid_copy(&info->user_sid, sid);
505 sid_compose(&info->group_sid, &domain->sid, group_rid);
507 status = NT_STATUS_OK;
509 DEBUG(3,("ads query_user gave %s\n", info->acct_name));
512 ads_msgfree(ads, msg);
517 /* Lookup groups a user is a member of - alternate method, for when
518 tokenGroups are not available. */
519 static NTSTATUS lookup_usergroups_alt(struct winbindd_domain *domain,
522 DOM_SID *primary_group,
523 size_t *p_num_groups, DOM_SID **user_sids)
526 NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
532 const char *group_attrs[] = {"objectSid", NULL};
534 size_t num_groups = 0;
536 DEBUG(3,("ads: lookup_usergroups_alt\n"));
538 ads = ads_cached_connection(domain);
541 domain->last_status = NT_STATUS_SERVER_DISABLED;
545 if (!(escaped_dn = escape_ldap_string_alloc(user_dn))) {
546 status = NT_STATUS_NO_MEMORY;
550 /* buggy server, no tokenGroups. Instead lookup what groups this user
551 is a member of by DN search on member*/
553 if (!(ldap_exp = talloc_asprintf(mem_ctx, "(&(member=%s)(objectClass=group))", escaped_dn))) {
554 DEBUG(1,("lookup_usergroups(dn=%s) asprintf failed!\n", user_dn));
555 SAFE_FREE(escaped_dn);
556 status = NT_STATUS_NO_MEMORY;
560 SAFE_FREE(escaped_dn);
562 rc = ads_search_retry(ads, &res, ldap_exp, group_attrs);
564 if (!ADS_ERR_OK(rc) || !res) {
565 DEBUG(1,("lookup_usergroups ads_search member=%s: %s\n", user_dn, ads_errstr(rc)));
566 return ads_ntstatus(rc);
569 count = ads_count_replies(ads, res);
574 /* always add the primary group to the sid array */
575 add_sid_to_array(mem_ctx, primary_group, user_sids, &num_groups);
578 for (msg = ads_first_entry(ads, res); msg;
579 msg = ads_next_entry(ads, msg)) {
582 if (!ads_pull_sid(ads, msg, "objectSid", &group_sid)) {
583 DEBUG(1,("No sid for this group ?!?\n"));
587 add_sid_to_array(mem_ctx, &group_sid, user_sids,
593 *p_num_groups = num_groups;
594 status = (user_sids != NULL) ? NT_STATUS_OK : NT_STATUS_NO_MEMORY;
596 DEBUG(3,("ads lookup_usergroups (alt) for dn=%s\n", user_dn));
599 ads_msgfree(ads, res);
604 /* Lookup groups a user is a member of. */
605 static NTSTATUS lookup_usergroups(struct winbindd_domain *domain,
608 uint32 *p_num_groups, DOM_SID **user_sids)
610 ADS_STRUCT *ads = NULL;
611 const char *attrs[] = {"tokenGroups", "primaryGroupID", NULL};
614 LDAPMessage *msg = NULL;
618 DOM_SID primary_group;
619 uint32 primary_group_rid;
621 NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
622 size_t num_groups = 0;
624 DEBUG(3,("ads: lookup_usergroups\n"));
627 ads = ads_cached_connection(domain);
630 domain->last_status = NT_STATUS_SERVER_DISABLED;
631 status = NT_STATUS_SERVER_DISABLED;
635 rc = ads_sid_to_dn(ads, mem_ctx, sid, &user_dn);
636 if (!ADS_ERR_OK(rc)) {
637 status = ads_ntstatus(rc);
641 rc = ads_search_retry_dn(ads, (void**)(void *)&msg, user_dn, attrs);
642 if (!ADS_ERR_OK(rc)) {
643 status = ads_ntstatus(rc);
644 DEBUG(1,("lookup_usergroups(sid=%s) ads_search tokenGroups: %s\n",
645 sid_to_string(sid_string, sid), ads_errstr(rc)));
650 DEBUG(1,("lookup_usergroups(sid=%s) ads_search tokenGroups: NULL msg\n",
651 sid_to_string(sid_string, sid)));
652 status = NT_STATUS_UNSUCCESSFUL;
656 if (!ads_pull_uint32(ads, msg, "primaryGroupID", &primary_group_rid)) {
657 DEBUG(1,("%s: No primary group for sid=%s !?\n",
658 domain->name, sid_to_string(sid_string, sid)));
662 sid_copy(&primary_group, &domain->sid);
663 sid_append_rid(&primary_group, primary_group_rid);
665 count = ads_pull_sids(ads, mem_ctx, msg, "tokenGroups", &sids);
668 ads_msgfree(ads, msg);
670 /* there must always be at least one group in the token,
671 unless we are talking to a buggy Win2k server */
673 status = lookup_usergroups_alt(domain, mem_ctx, user_dn,
675 &num_groups, user_sids);
676 *p_num_groups = (uint32)num_groups;
683 add_sid_to_array(mem_ctx, &primary_group, user_sids, &num_groups);
685 for (i=0;i<count;i++) {
687 /* ignore Builtin groups from ADS - Guenther */
688 if (sid_check_is_in_builtin(&sids[i])) {
692 add_sid_to_array_unique(mem_ctx, &sids[i],
693 user_sids, &num_groups);
696 *p_num_groups = (uint32)num_groups;
697 status = (user_sids != NULL) ? NT_STATUS_OK : NT_STATUS_NO_MEMORY;
699 DEBUG(3,("ads lookup_usergroups for sid=%s\n",
700 sid_to_string(sid_string, sid)));
706 find the members of a group, given a group rid and domain
708 static NTSTATUS lookup_groupmem(struct winbindd_domain *domain,
710 const DOM_SID *group_sid, uint32 *num_names,
711 DOM_SID **sid_mem, char ***names,
717 ADS_STRUCT *ads = NULL;
719 NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
731 DEBUG(10,("ads: lookup_groupmem %s sid=%s\n", domain->name,
732 sid_string_static(group_sid)));
736 ads = ads_cached_connection(domain);
739 domain->last_status = NT_STATUS_SERVER_DISABLED;
743 sidstr = sid_binstring(group_sid);
745 /* search for all members of the group */
746 if (!(ldap_exp = talloc_asprintf(mem_ctx, "(objectSid=%s)",sidstr))) {
748 DEBUG(1, ("ads: lookup_groupmem: tallloc_asprintf for ldap_exp failed!\n"));
749 status = NT_STATUS_NO_MEMORY;
757 attrs = TALLOC_ARRAY(mem_ctx, const char *, 3);
758 attrs[1] = talloc_strdup(mem_ctx, "usnChanged");
762 if (num_members == 0)
763 attrs[0] = talloc_strdup(mem_ctx, "member");
765 DEBUG(10, ("Searching for attrs[0] = %s, attrs[1] = %s\n", attrs[0], attrs[1]));
767 rc = ads_search_retry(ads, &res, ldap_exp, attrs);
769 if (!ADS_ERR_OK(rc) || !res) {
770 DEBUG(1,("ads: lookup_groupmem ads_search: %s\n",
772 status = ads_ntstatus(rc);
776 count = ads_count_replies(ads, res);
780 if (num_members == 0) {
781 if (!ads_pull_uint32(ads, res, "usnChanged", &first_usn)) {
782 DEBUG(1, ("ads: lookup_groupmem could not pull usnChanged!\n"));
787 if (!ads_pull_uint32(ads, res, "usnChanged", ¤t_usn)) {
788 DEBUG(1, ("ads: lookup_groupmem could not pull usnChanged!\n"));
792 if (first_usn != current_usn) {
793 DEBUG(5, ("ads: lookup_groupmem USN on this record changed"
794 " - restarting search\n"));
795 if (num_retries < 5) {
800 DEBUG(5, ("ads: lookup_groupmem USN on this record changed"
801 " - restarted search too many times, aborting!\n"));
802 status = NT_STATUS_UNSUCCESSFUL;
807 members = ads_pull_strings_range(ads, mem_ctx, res,
814 if ((members == NULL) || (num_members == 0))
817 } while (more_values);
819 /* now we need to turn a list of members into rids, names and name types
820 the problem is that the members are in the form of distinguised names
823 (*sid_mem) = TALLOC_ZERO_ARRAY(mem_ctx, DOM_SID, num_members);
824 (*name_types) = TALLOC_ZERO_ARRAY(mem_ctx, uint32, num_members);
825 (*names) = TALLOC_ZERO_ARRAY(mem_ctx, char *, num_members);
827 for (i=0;i<num_members;i++) {
832 if (dn_lookup(ads, mem_ctx, members[i], &name, &name_type, &sid)) {
833 (*names)[*num_names] = name;
834 (*name_types)[*num_names] = name_type;
835 sid_copy(&(*sid_mem)[*num_names], &sid);
840 status = NT_STATUS_OK;
841 DEBUG(3,("ads lookup_groupmem for sid=%s\n", sid_to_string(sid_string, group_sid)));
845 ads_msgfree(ads, res);
850 /* find the sequence number for a domain */
851 static NTSTATUS sequence_number(struct winbindd_domain *domain, uint32 *seq)
853 ADS_STRUCT *ads = NULL;
856 DEBUG(3,("ads: fetch sequence_number for %s\n", domain->name));
858 *seq = DOM_SEQUENCE_NONE;
860 ads = ads_cached_connection(domain);
863 domain->last_status = NT_STATUS_SERVER_DISABLED;
864 return NT_STATUS_UNSUCCESSFUL;
867 rc = ads_USN(ads, seq);
869 if (!ADS_ERR_OK(rc)) {
871 /* its a dead connection ; don't destroy it
872 through since ads_USN() has already done
875 domain->private_data = NULL;
877 return ads_ntstatus(rc);
880 /* get a list of trusted domains */
881 static NTSTATUS trusted_domains(struct winbindd_domain *domain,
888 NTSTATUS result = NT_STATUS_UNSUCCESSFUL;
889 struct ds_domain_trust *domains = NULL;
892 /* i think we only need our forest and downlevel trusted domains */
893 uint32 flags = DS_DOMAIN_IN_FOREST | DS_DOMAIN_DIRECT_OUTBOUND;
894 struct rpc_pipe_client *cli;
896 DEBUG(3,("ads: trusted_domains\n"));
903 result = cm_connect_netlogon(domain, &cli);
905 if (!NT_STATUS_IS_OK(result)) {
906 DEBUG(5, ("trusted_domains: Could not open a connection to %s "
907 "for PIPE_NETLOGON (%s)\n",
908 domain->name, nt_errstr(result)));
909 return NT_STATUS_UNSUCCESSFUL;
912 if ( NT_STATUS_IS_OK(result) ) {
913 result = rpccli_ds_enum_domain_trusts(cli, mem_ctx,
916 (unsigned int *)&count);
919 if ( NT_STATUS_IS_OK(result) && count) {
921 /* Allocate memory for trusted domain names and sids */
923 if ( !(*names = TALLOC_ARRAY(mem_ctx, char *, count)) ) {
924 DEBUG(0, ("trusted_domains: out of memory\n"));
925 return NT_STATUS_NO_MEMORY;
928 if ( !(*alt_names = TALLOC_ARRAY(mem_ctx, char *, count)) ) {
929 DEBUG(0, ("trusted_domains: out of memory\n"));
930 return NT_STATUS_NO_MEMORY;
933 if ( !(*dom_sids = TALLOC_ARRAY(mem_ctx, DOM_SID, count)) ) {
934 DEBUG(0, ("trusted_domains: out of memory\n"));
935 return NT_STATUS_NO_MEMORY;
938 /* Copy across names and sids */
940 for (i = 0; i < count; i++) {
941 (*names)[i] = domains[i].netbios_domain;
942 (*alt_names)[i] = domains[i].dns_domain;
944 sid_copy(&(*dom_sids)[i], &domains[i].sid);
947 *num_domains = count;
953 /* the ADS backend methods are exposed via this structure */
954 struct winbindd_methods ads_methods = {
963 msrpc_lookup_useraliases,